# Solved papers for NEET Chemistry NEET PYQ-Halogen Family

### done NEET PYQ-Halogen Family Total Questions - 13

• question_answer1) Which of the following is used in the preparation of chlorine?                       [AIPMT 1999]

A)
Only $Mn{{O}_{2}}$

B)
Only $KMn{{O}_{4}}$

C)
Both $Mn{{O}_{2}}$ and $KMn{{O}_{4}}$

D)
Either $Mn{{O}_{2}}$ and $KMn{{O}_{4}}$

• question_answer2) Which one of the following arrangements does not truly represent the property indicated against it? [AIPMT 2000]

A)
$B{{r}_{2}}<C{{l}_{2}}<{{F}_{2}}:$ Oxidising power

B)
$B{{r}_{2}}<C{{l}_{2}}<{{F}_{2}}:$ Electronegativity

C)
$B{{r}_{2}}<{{F}_{2}}<C{{l}_{2}}:$ Electron affinity

D)
$B{{r}_{2}}<C{{l}_{2}}<{{F}_{2}}:$ Bond energy

• question_answer3) Which reaction is not feasible?   [AIPMT 2002]

A)
$2KI+B{{r}_{2}}3KBr+{{I}_{2~}}$

B)
$2KBr+{{I}_{2}}2KI+B{{r}_{2}}$

C)
$2KBr+C{{l}_{2}}2KCl+B{{r}_{2}}$

D)
$2{{H}_{2}}O+2{{F}_{2}}~4HF+{{O}_{2}}$

• question_answer4) Which of the following statements is not true?                                          [AIPMT 2003]

A)
$HOCl$ is a stronger add than $HOBr$

B)
$HF$ is a stronger acid than $HCl$

C)
Among halide tons, iodide is the most powerful reducing agent

D)
Fluorine is the only halogen that does not show a variable oxidation state

• question_answer5) Among the following which is the strongest oxidising agent?                    [AIPMT (S) 2009]

A)
$5.65\times {{10}^{-10}}$

B)
$6.50\times {{10}^{-12}}$

C)
$5.65\times {{10}^{-13}}$

D)
$5.65\times {{10}^{-12}}$

• question_answer6) Which one of the following is present as an active ingredient in bleaching powder for bleaching action? [AIPMT (S) 2011]

A)
$\text{Ca(OCl}{{\text{)}}_{\text{2}}}$

B)
$\text{Ca}{{\text{O}}_{\text{2}}}\text{Cl}$

C)
$\text{CaC}{{\text{l}}_{\text{2}}}$

D)
$\text{CaOC}{{\text{l}}_{\text{2}}}$

• question_answer7) When $\text{C}{{\text{l}}_{\text{2}}}$ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from     [AIPMT (S) 2012]

A)
zero to +1 and zero to -5

B)
zero to -1 and zero to +5

C)
zero to -1 and zero to +3

D)
zero to +1 and zero to -3

• question_answer8) A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?       [AIPMT (S) 2012]

A)
S

B)
H

C)
Cl

D)
C

• question_answer9) Which of the statements given below is incorrect? [NEET 2015 (Re)]

A)
$C{{l}_{2}}{{O}_{7}}$ is an anhydride of perchloric acid

B)
${{O}_{3}}$molecule is bent

C)
OFN is isoelectronic with $N{{O}_{2}}$

D)
$O{{F}_{2}}$is an oxide of fluorine

• question_answer10) The variation of the boiling point of the hydrogen halides is in the order HF > HI > HBr > HCl. What explains the higher boiling point of hydrogen fluoride?               [NEET 2015 (Re)]

A)
The electronegativity of fluorine is much higher than for other elements in the group

B)
There is strong hydrogen bonding between HF molecules

C)
The bond energy of HF molecules is greater than in other hydrogen halides

D)
The effect of nuclear shielding is much reduced in fluorine which polarises the HF molecule

• question_answer11) Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules? [NEET - 2016]

A)
${{I}_{2}}>\text{ }B{{r}_{2}}>\text{ }C{{l}_{2}}>{{F}_{2}}$

B)
$C{{l}_{2}}>\text{ }B{{r}_{2}}>\text{ }{{F}_{2}}>\text{ }{{I}_{2}}$

C)
$B{{r}_{2}}>\text{ }{{I}_{2}}>\text{ }{{F}_{2}}>\text{ }C{{l}_{2}}$

D)
${{F}_{2}}>\text{ }C{{l}_{2}}>\text{ }B{{r}_{2}}>\text{ }{{I}_{2}}$

• question_answer12) $HgC{{l}_{2}}$and ${{l}_{2}}$ both when dissolved in water containing ${{l}^{-}}$ions the pair of species formed is [NEET-2017]

A)
$H{{g}_{2}}{{l}_{2}},{{l}^{-}}$

B)
$Hg{{l}_{2}},l_{3}^{-}$

C)
$Hg{{l}_{2}},{{l}^{-}}$

D)
$Hgl_{4}^{2-},l_{3}^{-}$

• question_answer13) Which of the following statements is not true for halogens?                        [NEET - 2018]

A)
All but fluorine show positive oxidation states

B)
All are oxidizing agents

C)
All form monobasic oxyacid

D)
Chlorine has the highest electron-gain enthalpy