List of practice Questions

A four digit number is formed by the digits 1, 2, 3, 4 with no repetition. The probability that the number is odd is?
The vertices of a triangle are \( A(0,4,1) \), \( B(2,-3,-1) \), and \( C(4,5,0) \), then the orthocenter of ABC is?
Which of the following isomerism is shown by ethyl acetoacetate?
The final product obtained in the reaction,
Among the following the strongest nucleophile is?
Which set has different class of compounds?
The solution of \( \frac{dy}{dx} = \frac{x^2 + y^2 + 1}{2xy} \), satisfying \( y(1) = 0 \), is given by?
If \( x \frac{dy}{dx} = x \cdot f(xy) \), then \( f(xy) \) is equal to?
The differential equation of the rectangular hyperbola, where axes are the asymptotes of the hyperbola, is?
If the elevation in boiling point of a solution of 10 g of solute (mol. wt. = 100) in 100 g of water is \( \Delta T_b \), the ebullioscopic constant of water is?
Which of the following compounds cannot be prepared singly by the Wurtz reaction?
Which of the following oxides is strongly basic?
In Langmuir’s model of adsorption of a gas on a solid surface, the rate of dissociation of adsorbed molecules from the surface does not depend on?
How many sigma and pi-bonds are there in the molecule of dicyanoethene (\( \text{CH}_2 \text{CH} \text{CN} \))?
What will be the order of reactivity of the following carbonyl compounds with Grignard’s reagent?
The final product \( C \) in the above reaction is?
Ph—C=C—CH, undergoes Hg2+ / H+ to give?
Which of the following has an ester linkage?
Which of the following pairs give positive Tollen’s test?
Peptisation involves?
Which of the following has the maximum number of unpaired d-electrons?
Iodine is formed when potassium iodide reacts with a solution of?
Which of the following does not represent the correct order of the property indicated?
The bond angles of \( \text{NH}_3 \), \( \text{NH}_2 \), and \( \text{NH}_4^+ \) are?
A gaseous mixture containing He, CH4, and SO2 was allowed to effuse through a fine hole. Then find what molar ratio of gases coming out initially? (Given mixture contains He, CH4, and SO2 in 1:2:3 molar ratio)