Chemical Properties and General Characteristics of Group – 13 Elements
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NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316273 Which element from the following combines with hydrogen to form compound having lowest acidic strength?

1 \(\mathrm{Cl}\)
2 \(\mathrm{Br}\)
3 F
4 I
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316274 Statement \(\mathrm{I}\) : Acid strength increases in the order given as \(\mathrm{HF} < < \mathrm{HCl} < < \mathrm{HBr} < < \mathrm{HI}\).
Statement II : As the size of the elements \(\mathrm{F}, \mathrm{Cl}\), \(\mathrm{Br}\), I increases down the group, the bond strength of \(\mathrm{HF}, \mathrm{HCl}, \mathrm{HBr}\) and \(\mathrm{HI}\) decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.

1 Both Statement I and Statement II are false.
2 Statement I is correct but Statement II are false.
3 Statement I is incorrect but Statement II is true.
4 Both Statement I and Statement II are true.
NEET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316275 Which one is most basic in character?

1 \(F^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{Br}^{-}\)
4 \(I^{-}\)
CHXI11:THE P-BLOCK ELEMENTS

316276 The correct order of reactivity of halogens with
alkalies is

1 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I
2 \(\mathrm{F} < \mathrm{Cl}>\mathrm{Br} < \) I
3 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br} < \) I
4 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br}>\) I
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CHXI11:THE P-BLOCK ELEMENTS

316273 Which element from the following combines with hydrogen to form compound having lowest acidic strength?

1 \(\mathrm{Cl}\)
2 \(\mathrm{Br}\)
3 F
4 I
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316274 Statement \(\mathrm{I}\) : Acid strength increases in the order given as \(\mathrm{HF} < < \mathrm{HCl} < < \mathrm{HBr} < < \mathrm{HI}\).
Statement II : As the size of the elements \(\mathrm{F}, \mathrm{Cl}\), \(\mathrm{Br}\), I increases down the group, the bond strength of \(\mathrm{HF}, \mathrm{HCl}, \mathrm{HBr}\) and \(\mathrm{HI}\) decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.

1 Both Statement I and Statement II are false.
2 Statement I is correct but Statement II are false.
3 Statement I is incorrect but Statement II is true.
4 Both Statement I and Statement II are true.
NEET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316275 Which one is most basic in character?

1 \(F^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{Br}^{-}\)
4 \(I^{-}\)
CHXI11:THE P-BLOCK ELEMENTS

316276 The correct order of reactivity of halogens with
alkalies is

1 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I
2 \(\mathrm{F} < \mathrm{Cl}>\mathrm{Br} < \) I
3 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br} < \) I
4 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br}>\) I
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CHXI11:THE P-BLOCK ELEMENTS

316273 Which element from the following combines with hydrogen to form compound having lowest acidic strength?

1 \(\mathrm{Cl}\)
2 \(\mathrm{Br}\)
3 F
4 I
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316274 Statement \(\mathrm{I}\) : Acid strength increases in the order given as \(\mathrm{HF} < < \mathrm{HCl} < < \mathrm{HBr} < < \mathrm{HI}\).
Statement II : As the size of the elements \(\mathrm{F}, \mathrm{Cl}\), \(\mathrm{Br}\), I increases down the group, the bond strength of \(\mathrm{HF}, \mathrm{HCl}, \mathrm{HBr}\) and \(\mathrm{HI}\) decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.

1 Both Statement I and Statement II are false.
2 Statement I is correct but Statement II are false.
3 Statement I is incorrect but Statement II is true.
4 Both Statement I and Statement II are true.
NEET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316275 Which one is most basic in character?

1 \(F^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{Br}^{-}\)
4 \(I^{-}\)
CHXI11:THE P-BLOCK ELEMENTS

316276 The correct order of reactivity of halogens with
alkalies is

1 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I
2 \(\mathrm{F} < \mathrm{Cl}>\mathrm{Br} < \) I
3 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br} < \) I
4 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br}>\) I
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316273 Which element from the following combines with hydrogen to form compound having lowest acidic strength?

1 \(\mathrm{Cl}\)
2 \(\mathrm{Br}\)
3 F
4 I
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316274 Statement \(\mathrm{I}\) : Acid strength increases in the order given as \(\mathrm{HF} < < \mathrm{HCl} < < \mathrm{HBr} < < \mathrm{HI}\).
Statement II : As the size of the elements \(\mathrm{F}, \mathrm{Cl}\), \(\mathrm{Br}\), I increases down the group, the bond strength of \(\mathrm{HF}, \mathrm{HCl}, \mathrm{HBr}\) and \(\mathrm{HI}\) decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.

1 Both Statement I and Statement II are false.
2 Statement I is correct but Statement II are false.
3 Statement I is incorrect but Statement II is true.
4 Both Statement I and Statement II are true.
NEET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316275 Which one is most basic in character?

1 \(F^{-}\)
2 \(\mathrm{Cl}^{-}\)
3 \(\mathrm{Br}^{-}\)
4 \(I^{-}\)
CHXI11:THE P-BLOCK ELEMENTS

316276 The correct order of reactivity of halogens with
alkalies is

1 \(\mathrm{F}>\mathrm{Cl}>\mathrm{Br}>\) I
2 \(\mathrm{F} < \mathrm{Cl}>\mathrm{Br} < \) I
3 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br} < \) I
4 \(\mathrm{F} < \mathrm{Cl} < \mathrm{Br}>\) I
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