Group 2 Elements: Alkaline Earth Metals
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NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI10:THE S-BLOCK ELEMENTS

315856 Alkaline earth metals are not found free in nature because of

1 their thermal instability
2 their low melting points
3 their high boiling points
4 their greater chemical reactivity
CHXI10:THE S-BLOCK ELEMENTS

315857 The enamel of our teeth is

1 \(\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}\)
2 \(\mathrm{CaF}_{2}\)
3 \(\mathrm{CaCl}_{2}\)
4 \(\mathrm{CaBr}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

315858 Which of the following metals has the highest melting point?

1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Ba}\)
CHXI10:THE S-BLOCK ELEMENTS

315859 Statement A :
Compounds of beryllium is largely covalent and get hydrolysed easily.
Statement B :
Due to high value of ionisation potential and small size of \(\mathrm{Be}\), its salts are hydrolysed easily

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

315856 Alkaline earth metals are not found free in nature because of

1 their thermal instability
2 their low melting points
3 their high boiling points
4 their greater chemical reactivity
CHXI10:THE S-BLOCK ELEMENTS

315857 The enamel of our teeth is

1 \(\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}\)
2 \(\mathrm{CaF}_{2}\)
3 \(\mathrm{CaCl}_{2}\)
4 \(\mathrm{CaBr}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

315858 Which of the following metals has the highest melting point?

1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Ba}\)
CHXI10:THE S-BLOCK ELEMENTS

315859 Statement A :
Compounds of beryllium is largely covalent and get hydrolysed easily.
Statement B :
Due to high value of ionisation potential and small size of \(\mathrm{Be}\), its salts are hydrolysed easily

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
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CHXI10:THE S-BLOCK ELEMENTS

315856 Alkaline earth metals are not found free in nature because of

1 their thermal instability
2 their low melting points
3 their high boiling points
4 their greater chemical reactivity
CHXI10:THE S-BLOCK ELEMENTS

315857 The enamel of our teeth is

1 \(\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}\)
2 \(\mathrm{CaF}_{2}\)
3 \(\mathrm{CaCl}_{2}\)
4 \(\mathrm{CaBr}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

315858 Which of the following metals has the highest melting point?

1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Ba}\)
CHXI10:THE S-BLOCK ELEMENTS

315859 Statement A :
Compounds of beryllium is largely covalent and get hydrolysed easily.
Statement B :
Due to high value of ionisation potential and small size of \(\mathrm{Be}\), its salts are hydrolysed easily

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI10:THE S-BLOCK ELEMENTS

315856 Alkaline earth metals are not found free in nature because of

1 their thermal instability
2 their low melting points
3 their high boiling points
4 their greater chemical reactivity
CHXI10:THE S-BLOCK ELEMENTS

315857 The enamel of our teeth is

1 \(\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}\)
2 \(\mathrm{CaF}_{2}\)
3 \(\mathrm{CaCl}_{2}\)
4 \(\mathrm{CaBr}_{2}\)
CHXI10:THE S-BLOCK ELEMENTS

315858 Which of the following metals has the highest melting point?

1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Ba}\)
CHXI10:THE S-BLOCK ELEMENTS

315859 Statement A :
Compounds of beryllium is largely covalent and get hydrolysed easily.
Statement B :
Due to high value of ionisation potential and small size of \(\mathrm{Be}\), its salts are hydrolysed easily

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
NEET DIGITAL LIBRARY