Hydrides
CHXI09:HYDROGEN

315570 The hydride ion \(\mathrm{\left(\mathrm{H}^{-}\right)}\)is a stronger base than the hydroxide ion \(\mathrm{\left(\mathrm{OH}^{-}\right)}\). Which of the following reactions will occur if sodium hydride \(\mathrm{(\mathrm{NaH})}\) is dissolved in water?

1 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{H}_{3} \mathrm{O}^{-}(\mathrm{aq})}\)
2 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{OH}^{-}(\mathrm{aq})+\mathrm{H}_{2}(\mathrm{~g})}\)
3 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow}\) No reaction
4 None of these
CHXI09:HYDROGEN

315571 A molten ionic hydride on electrolysis gives

1 \(\mathrm{\mathrm{H}^{+}}\)ions moving towards the cathode
2 \(\mathrm{\mathrm{H}^{+}}\)ion moving towards the anode
3 \(\mathrm{\mathrm{H}_{2}}\) is liberated at anode
4 \(\mathrm{\mathrm{H}_{2}}\) is liberated at cathode
CHXI09:HYDROGEN

315572 Which of the following statements about metallic hydrides is correct?

1 They are also called interstitial hydrides.
2 They are non-stoichiometric, being deficient in hydrogen.
3 They are good conductors of electricity.
4 All of these
CHXI09:HYDROGEN

315576 Match List-I( Hydrides) with List-II(Nature)
Choose the correct answer from the options given below :
Column I
Column II
A
\(\mathrm{\mathrm{MgH}_{2}}\)
P
Electron precise
B
\(\mathrm{\mathrm{GeH}_{4}}\)
Q
Electron deficient
C
\(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
R
Electron rich
D
\(\mathrm{\mathrm{HF}}\)
S
Ionic

1 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
2 \({\rm{A - P}},\,\,\,\,\,{\rm{B - Q}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - R}}\)
3 \({\rm{A - Q}},\,\,\,\,\,{\rm{B - R}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - P}}\)
4 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
CHXI09:HYDROGEN

315577 Which of the following statements is correct?

1 Hydrides of group 13 act as Lewis bases
2 Hydrides of group 14 are electron deficient hydrides
3 Hydrides of group 14 acts as Lewis bases
4 Hydrides of group 15 act as Lewis bases
CHXI09:HYDROGEN

315570 The hydride ion \(\mathrm{\left(\mathrm{H}^{-}\right)}\)is a stronger base than the hydroxide ion \(\mathrm{\left(\mathrm{OH}^{-}\right)}\). Which of the following reactions will occur if sodium hydride \(\mathrm{(\mathrm{NaH})}\) is dissolved in water?

1 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{H}_{3} \mathrm{O}^{-}(\mathrm{aq})}\)
2 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{OH}^{-}(\mathrm{aq})+\mathrm{H}_{2}(\mathrm{~g})}\)
3 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow}\) No reaction
4 None of these
CHXI09:HYDROGEN

315571 A molten ionic hydride on electrolysis gives

1 \(\mathrm{\mathrm{H}^{+}}\)ions moving towards the cathode
2 \(\mathrm{\mathrm{H}^{+}}\)ion moving towards the anode
3 \(\mathrm{\mathrm{H}_{2}}\) is liberated at anode
4 \(\mathrm{\mathrm{H}_{2}}\) is liberated at cathode
CHXI09:HYDROGEN

315572 Which of the following statements about metallic hydrides is correct?

1 They are also called interstitial hydrides.
2 They are non-stoichiometric, being deficient in hydrogen.
3 They are good conductors of electricity.
4 All of these
CHXI09:HYDROGEN

315576 Match List-I( Hydrides) with List-II(Nature)
Choose the correct answer from the options given below :
Column I
Column II
A
\(\mathrm{\mathrm{MgH}_{2}}\)
P
Electron precise
B
\(\mathrm{\mathrm{GeH}_{4}}\)
Q
Electron deficient
C
\(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
R
Electron rich
D
\(\mathrm{\mathrm{HF}}\)
S
Ionic

1 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
2 \({\rm{A - P}},\,\,\,\,\,{\rm{B - Q}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - R}}\)
3 \({\rm{A - Q}},\,\,\,\,\,{\rm{B - R}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - P}}\)
4 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
CHXI09:HYDROGEN

315577 Which of the following statements is correct?

1 Hydrides of group 13 act as Lewis bases
2 Hydrides of group 14 are electron deficient hydrides
3 Hydrides of group 14 acts as Lewis bases
4 Hydrides of group 15 act as Lewis bases
CHXI09:HYDROGEN

315570 The hydride ion \(\mathrm{\left(\mathrm{H}^{-}\right)}\)is a stronger base than the hydroxide ion \(\mathrm{\left(\mathrm{OH}^{-}\right)}\). Which of the following reactions will occur if sodium hydride \(\mathrm{(\mathrm{NaH})}\) is dissolved in water?

1 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{H}_{3} \mathrm{O}^{-}(\mathrm{aq})}\)
2 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{OH}^{-}(\mathrm{aq})+\mathrm{H}_{2}(\mathrm{~g})}\)
3 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow}\) No reaction
4 None of these
CHXI09:HYDROGEN

315571 A molten ionic hydride on electrolysis gives

1 \(\mathrm{\mathrm{H}^{+}}\)ions moving towards the cathode
2 \(\mathrm{\mathrm{H}^{+}}\)ion moving towards the anode
3 \(\mathrm{\mathrm{H}_{2}}\) is liberated at anode
4 \(\mathrm{\mathrm{H}_{2}}\) is liberated at cathode
CHXI09:HYDROGEN

315572 Which of the following statements about metallic hydrides is correct?

1 They are also called interstitial hydrides.
2 They are non-stoichiometric, being deficient in hydrogen.
3 They are good conductors of electricity.
4 All of these
CHXI09:HYDROGEN

315576 Match List-I( Hydrides) with List-II(Nature)
Choose the correct answer from the options given below :
Column I
Column II
A
\(\mathrm{\mathrm{MgH}_{2}}\)
P
Electron precise
B
\(\mathrm{\mathrm{GeH}_{4}}\)
Q
Electron deficient
C
\(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
R
Electron rich
D
\(\mathrm{\mathrm{HF}}\)
S
Ionic

1 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
2 \({\rm{A - P}},\,\,\,\,\,{\rm{B - Q}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - R}}\)
3 \({\rm{A - Q}},\,\,\,\,\,{\rm{B - R}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - P}}\)
4 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
CHXI09:HYDROGEN

315577 Which of the following statements is correct?

1 Hydrides of group 13 act as Lewis bases
2 Hydrides of group 14 are electron deficient hydrides
3 Hydrides of group 14 acts as Lewis bases
4 Hydrides of group 15 act as Lewis bases
CHXI09:HYDROGEN

315570 The hydride ion \(\mathrm{\left(\mathrm{H}^{-}\right)}\)is a stronger base than the hydroxide ion \(\mathrm{\left(\mathrm{OH}^{-}\right)}\). Which of the following reactions will occur if sodium hydride \(\mathrm{(\mathrm{NaH})}\) is dissolved in water?

1 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{H}_{3} \mathrm{O}^{-}(\mathrm{aq})}\)
2 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{OH}^{-}(\mathrm{aq})+\mathrm{H}_{2}(\mathrm{~g})}\)
3 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow}\) No reaction
4 None of these
CHXI09:HYDROGEN

315571 A molten ionic hydride on electrolysis gives

1 \(\mathrm{\mathrm{H}^{+}}\)ions moving towards the cathode
2 \(\mathrm{\mathrm{H}^{+}}\)ion moving towards the anode
3 \(\mathrm{\mathrm{H}_{2}}\) is liberated at anode
4 \(\mathrm{\mathrm{H}_{2}}\) is liberated at cathode
CHXI09:HYDROGEN

315572 Which of the following statements about metallic hydrides is correct?

1 They are also called interstitial hydrides.
2 They are non-stoichiometric, being deficient in hydrogen.
3 They are good conductors of electricity.
4 All of these
CHXI09:HYDROGEN

315576 Match List-I( Hydrides) with List-II(Nature)
Choose the correct answer from the options given below :
Column I
Column II
A
\(\mathrm{\mathrm{MgH}_{2}}\)
P
Electron precise
B
\(\mathrm{\mathrm{GeH}_{4}}\)
Q
Electron deficient
C
\(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
R
Electron rich
D
\(\mathrm{\mathrm{HF}}\)
S
Ionic

1 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
2 \({\rm{A - P}},\,\,\,\,\,{\rm{B - Q}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - R}}\)
3 \({\rm{A - Q}},\,\,\,\,\,{\rm{B - R}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - P}}\)
4 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
CHXI09:HYDROGEN

315577 Which of the following statements is correct?

1 Hydrides of group 13 act as Lewis bases
2 Hydrides of group 14 are electron deficient hydrides
3 Hydrides of group 14 acts as Lewis bases
4 Hydrides of group 15 act as Lewis bases
CHXI09:HYDROGEN

315570 The hydride ion \(\mathrm{\left(\mathrm{H}^{-}\right)}\)is a stronger base than the hydroxide ion \(\mathrm{\left(\mathrm{OH}^{-}\right)}\). Which of the following reactions will occur if sodium hydride \(\mathrm{(\mathrm{NaH})}\) is dissolved in water?

1 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{H}_{3} \mathrm{O}^{-}(\mathrm{aq})}\)
2 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{OH}^{-}(\mathrm{aq})+\mathrm{H}_{2}(\mathrm{~g})}\)
3 \(\mathrm{\mathrm{H}^{-}(\mathrm{aq})+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow}\) No reaction
4 None of these
CHXI09:HYDROGEN

315571 A molten ionic hydride on electrolysis gives

1 \(\mathrm{\mathrm{H}^{+}}\)ions moving towards the cathode
2 \(\mathrm{\mathrm{H}^{+}}\)ion moving towards the anode
3 \(\mathrm{\mathrm{H}_{2}}\) is liberated at anode
4 \(\mathrm{\mathrm{H}_{2}}\) is liberated at cathode
CHXI09:HYDROGEN

315572 Which of the following statements about metallic hydrides is correct?

1 They are also called interstitial hydrides.
2 They are non-stoichiometric, being deficient in hydrogen.
3 They are good conductors of electricity.
4 All of these
CHXI09:HYDROGEN

315576 Match List-I( Hydrides) with List-II(Nature)
Choose the correct answer from the options given below :
Column I
Column II
A
\(\mathrm{\mathrm{MgH}_{2}}\)
P
Electron precise
B
\(\mathrm{\mathrm{GeH}_{4}}\)
Q
Electron deficient
C
\(\mathrm{\mathrm{B}_{2} \mathrm{H}_{6}}\)
R
Electron rich
D
\(\mathrm{\mathrm{HF}}\)
S
Ionic

1 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
2 \({\rm{A - P}},\,\,\,\,\,{\rm{B - Q}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - R}}\)
3 \({\rm{A - Q}},\,\,\,\,\,{\rm{B - R}},\,\,\,\,\,{\rm{C - S}},\,\,\,\,\,{\rm{D - P}}\)
4 \({\rm{A - R}},\,\,\,\,\,{\rm{B - P}},\,\,\,\,\,{\rm{C - Q}},\,\,\,\,\,{\rm{D - S }}\)
CHXI09:HYDROGEN

315577 Which of the following statements is correct?

1 Hydrides of group 13 act as Lewis bases
2 Hydrides of group 14 are electron deficient hydrides
3 Hydrides of group 14 acts as Lewis bases
4 Hydrides of group 15 act as Lewis bases