Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

In coloumn chromatography the moving phase is constitude ofA. a substance which have to be sepratedB. eluentC. adsorbentD. mixture of eluent and substance to be seprated

Answer» Correct Answer - D
Discussion
2.

Steam distillation is applied for the separation of those compounds which areA. steam volatile and soluble in waterB. steam volatile and decompose in waterC. steam volatile and insoluble in waterD. capable of chemical reaction with steam.

Answer» Correct Answer - C
Discussion
3.

Latest technique for purification isolation and separation of organis substance isA. DistillationB. crysrtallistionC. sublimationD. Chromatography

Answer» Correct Answer - D
Discussion
4.

Which of the following method of separation can be applied to the mixture of liquids having different boiling points ?A. solvent extraction —B. differential crystallisationC. fractional distillationD. steam distillation

Answer» Correct Answer - C
Discussion
5.

The separation of mixture of two compounds by chromatographic technique is based uponA. differential solubilitiesB. different densitesC. different absorptionD. differential adsorption

Answer» Correct Answer - D
Discussion
6.

Simple distrillation can be used to separate compound whichA. are highly volatile and have very close boiling pointsB. are steam volatileC. decomposes on heatingD. are volatile and have non volatile impuries

Answer» Correct Answer - D
Discussion
7.

A compound has simplest formula `CH_2` To which hydrocarbon serices does it bleong ?A. AlkanesB. CycloalkanesC. AlkynesD. non of these

Answer» Correct Answer - B
Discussion
8.

A formula of a compound which gives whole number atomic ratio in one molecule g compound is calledA. structural formulaB. molecular formulaC. projection formulaD. empirical formula,

Answer» Correct Answer - D
Discussion
9.

The function of boiling the sodium extract with concentrated nitric acid before testing halogens isA. to make solution clearB. to destroy `CN^- and S^(2- )ion`C. to make the solution acidicD. to bring common ion effect.

Answer» Correct Answer - B
Discussion
10.

Soda lime test is used to detect one of the following element of organic compoundA. CB. HC. ND. S

Answer» Correct Answer - C
Discussion
11.

Assertion (A) Mixed melting point can be used to test the purity of an organic compound.  Reason (R ) Impurities raises the melting point of the organic compound.A. Both A and R are true and R is the correct explanation of AB. Both A and R are true but R is not a correct explation of AC. A is true but R is falseD. A is false but R is true

Answer» Correct Answer - C
Discussion
12.

An organic compound on analysis was found to contain 10.06 % Carbon,0.84 % Hydrogen and 89.10 % Chloride .What will be empirical formula of the substance ?A. `CH_(2)Cl_(2)`B. `CHCl_(3)`C. `"CC"l_(4)`D. `CH_(3)Cl`

Answer» Correct Answer - B
Discussion