List of practice Questions

Which of the following statements is false ?
Bakelite is formed by the reaction of
Which of the following is fully fluorinated polymer ?
Which of the following is a polyamide ?
An oxygen containing organic compound upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by 14 units. The organic compound is
Anisole can be prepared by the action of methyl iodide on sodium phenate. The reaction is called
Consider the following reaction :
C2H5OH + H2SO4 → Product. Among the following, which one cannot be formed as a product under any conditions ?
From amongst the following alcohols the one that would react fastest with conc. HCI and anhydrous ZnCl2, is
Hydrolysis of aromatic amide gives
Methyl phenyl ether can be obtained by reacting
Acid catalysed hydration of alkenes except ethene leads to the formation of
Among the following which is least acidic ?
An ether is more volatile than an alcohol having same molecular formula because
An organic compound A (C4H9Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative then, A is
The probability that among 7 persons, no 2 were born on the same day of a week is
For the events A and B, P(A) = \(\frac{3}{4}\), P(B) = \(\frac{1}{5}\), P(A ∩ B) = \(\frac{1}{20}\) then P(A/B) = _________
Two dices are thrown simultaneously. The probability of obtaining a total score of 5 is
If A and B are events with P(A ∪ B) = \(\frac{3}{4}\), P(A') = \(\frac{2}{3}\) and P(A ∩ B) = \(\frac{1}{4}\) then P(B) is
The angle between two diagonals of a cube is
The equation of the plane which bisects the line joining (3, 0, 5) and (1,2,-1) at right angles is
The equation of the line passing through the point (5, 3, 2) and perpendicular to the lines \(\frac{x-2}{1}=\frac{y-3}{-1}=\frac{z-4}{1}\) and \(\frac{x-1}{2}=\frac{y-1}{1}=\frac{z+1}{0}\) is
If ω is an imaginary cube root of 1, then the value of 1(2 - ω) (2 - ω2)+ 2(3 - ω) (3 - ω2)+ … + (n-1)(n - ω) (n - ω2) is
The equation of the tangent and normal to the ellipse x2 + 2y2 + 2x - 4y - 14 = 0 at (2, -1) is
If the line \(2x+\sqrt6y=2\) touches the hyperbola x2 - 2y2 = 4, then the point of contact is
If \(\sin^{-1}(\frac{x}{5})+\cosec^{-1}(\frac{5}{4})=\frac{\pi}{2},\) then the value of x