NEET UG 2020 — Organic Chemistry

Vitamins are

Markownikoffs rule is applicable to

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?

Paper chromatography is an example of

${\mathrm{CH}}_{3}{\mathrm{CH}}_{2}\mathrm{CH}={\mathrm{CH}}_{2}\rightarrow _{{H}_{2}O,{H}_{2}{O}_{2},{\mathrm{OH}}^{-}}^{{B}_{2}{H}_{6}}Z$ What is $Z?$

Reaction of propanamide with ethanolic sodium hydroxide and bromine will give

Anisole on cleavage with $\text{HI}$ gives

Which of the following statement is not true about glucose?

Which of the following compound is most reactive in electrophilic aromatic substitution?

Identify compound (A) in the following reaction : 

Which of the following is a free radical substitution reaction?

Which of the following alkane cannot be made in good yield by Wurtz reaction?

Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give:

Sucrose on hydrolysis gives

Which of the following acid will form an (a) Anhydride on heating and (b) Acid imide on strong heating with ammonia?

A liquid compound (x) can be purified by steam distillation only if it is

Which of the following substituted phenols is the strongest acid?

Which of the following is a basic amino acid?

Reaction between benzaldehyde and acetophenone in presence of dilute $\text{NaOH}$ is known as

Identify compound $\text{X}$ in the following sequence of reactions 

Elimination reaction of $2$-Bromo-pentane to form pent-$2$-ene is (a) $\beta$-Elimination reaction (b) Follows Zaitsev rule (c) Dehydrohalogenation reaction (d) Dehydration reaction

The reaction of concentrated sulphuric acid with carbohydrates $({C}_{12}{H}_{22}{O}_{11})$ is an example of

Which of the following will NOT undergo ${S}_{N}1$ reaction with ${\mathrm{OH}}^{-}?$

An alkene on ozonolysis gives methanal as one of the product. Its structure is

Deficiency of which vitamin causes osteomalacia?

Which of the following amine will give the carbylamine test?