Group 17 - Preparation, Properties & Uses Past Year (2006 - 2015) MCQs The p-Block Elements (XII) Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Q1:

Which of the statements given below is incorrect?

1. $C l_{2} O_{7}$ is an anhydride of perchloric acid

2. $O_{3}$ molecule is bent

3. ONF is isoelectronic with $N O_{2}^{-}$

4. $O F_{2}$ is an oxide of fluorine

Subtopic: Group 17 - Preparation, Properties & Uses | Group 16 - Preparation, Properties & Uses |

60%

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NEET - 2015

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Q2:

The variation of the boiling point of the hydrogen halides is in the order HF > HI > HBr > HCl.
The higher boiling point of hydrogen fluoride is explained as:

1.	The electronegativity of flourine is much higher than other elements in group
2.	There is strong hydrogen bonding between HF molecules
3.	The bond energy of HF molecules is greater than in other hydrogen halides
4.	The effect of nuclear shielding is much reduced in flourine which polarizes the HF molecule

Subtopic: Group 17 - Preparation, Properties & Uses |

81%

From NCERT

NEET - 2015

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Q3:

The given sequence among the following arrangements that is not strictly according to the property indicated against it.

1.	H₂O < H₂S < H₂Se < H₂Te : $\small{i n c r e a sin g \ p K_{a}\ v a l u e s}$
2.	$\small{N H_{3} < P H_{3} < A s H_{3} < S b H_{3} : i n c r e a sin g \ a c i d i c \ c h a r a c t e r}$
3.	$\small{C O_{} < S i O_{} < S n O_{} < P b O_{2} : i n c r e a sin g \ o x i d i sin g \ p o w e r} $
4.	$\small{H F < H C l < H B r < H I : i n c r e a sin g \ a c i d i c \ s t r e n g t h} $

Subtopic: Group 17 - Preparation, Properties & Uses | Group 16 - Preparation, Properties & Uses | Group 15 - Preparation, Properties & Uses |

79%

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AIPMT - 2012

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Q4:

Which of the following compounds has the lowest melting point?

1. ${CaBr}_{2}$

2. ${Cal}_{2}$

3. ${CaF}_{2}$

4. ${CaCl}_{2}$

Subtopic: Group 17 - Preparation, Properties & Uses |

59%

AIPMT - 2011

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Q5:

Among the following which is the strongest oxidising agent?

1. $F_{2}$

2. $B r_{2}$

3. $l_{2}$

4. $C l_{2}$

Subtopic: Group 17 - Preparation, Properties & Uses |

84%

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AIPMT - 2009

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1.	H₂O < H₂S < H₂Se < H₂Te : \(\small{i n c r e a sin g \ p K_{a}\ v a l u e s}\)
2.	\(\small{N H_{3} < P H_{3} < A s H_{3} < S b H_{3} : i n c r e a sin g \ a c i d i c \ c h a r a c t e r}\)
3.	\(\small{C O_{} < S i O_{} < S n O_{} < P b O_{2} : i n c r e a sin g \ o x i d i sin g \ p o w e r} \)
4.	\(\small{H F < H C l < H B r < H I : i n c r e a sin g \ a c i d i c \ s t r e n g t h} \)

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