MCQ
Benzene hexachloride $ (BHC$) is used as
  • A
    Dye
  • B
    Antimalerial drug
  • C
    Antibiotic
  • Insecticide

Answer

Correct option: D.
Insecticide
d
also known as gamma-hexachlorocyclohexane ( $\gamma-HCH)$, gammaxene, Gammallin and sometimes incorrectly called benzene hexachloride $(BHC)$, is an organochlorine chemical and an isomer of hexachlorocyclohexane that has been used both as an agricultural insecticide and as a pharmaceutical treatment for lice and scabies.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$R$ and $S$ configuration of compound $(A)$ & $(B)$ will be 
Which of the following compound is wrongly named ?
The rate of reaction is tripled for $10^o$ rise in temperature. The increase in the reaction rate if temperature is increased by $60^o$ is ............ $ times$
A $5\%$ solution (by mass) of cane sugar in water has freezing point of $271\,K$ and freezing point of pure water is $273.15\,K$. The freezing point of a $5\%$ solution (by mass) of glucose in water is ............. $\mathrm{K}$
Consider the following elements.

Which of the following is/are true about $\mathrm{A}^{\prime}, \mathrm{B}^{\prime}, \mathrm{C}^{\prime}$ and $\mathrm{D}^{\prime}$ ?

$A$. Order of atomic radii: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$B$. Order of metallic character: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$C$. Size of the element : $\mathrm{D}^{\prime}<\mathrm{C}^{\prime}<\mathrm{B}^{\prime}<\mathrm{A}^{\prime}$

$D$. Order of ionic radii : $\mathrm{B}^{\prime+}<\mathrm{A}^{\prime+}<\mathrm{D}^{\prime+}<\mathrm{C}^{\prime+}$

Choose the correct answer from the options given below :

$CH_3 -CH_2 -CH=CH_2$ has hybridisation
Match List$-I$ with List$-II :$

List$-I$ List$-II$
$(a)$ $\mathrm{NaOH}$ $(i)$ Acidic
$(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ $(ii)$ Basic
$(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$

$(iii)$ Amphoteric

$(d)$ $\mathrm{B}(\mathrm{OH})_{3}$  
$(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$  

Choose the most appropriate answer from the option given below :

Assertion : Sulphuric acid is more viscous than water.

Reason : Concentrated sulpuric acid has a great affinity for water.

The Total pressure observed by mixing two liquid $A$ and $B$ is $350\,mm\,Hg$ when their mole fractions are $0.7$ and $0.3$ respectively.The Total pressure becomes $410 \,mm\,Hg$ if the mole fractions are changed to $0.2$ and $0.8$ respectively for $A$ and $B$. The vapour pressure of pure $A$ is $...........\,mm\,Hg$. (Nearest integer)

Consider the liquids and solutions behave ideally.

The correct order of increasing $s-$ character (in percentage) in the hybrid orbitals  of following molecules/ions is

$(I)\, CO^{2-}_3$      $(II)\, XeF_4$     $(III)\, I^-_3$  $(IV)\, NCl_3$   $(V)$ $BeCl_2$