Question 1 of 10

At a certain temperature, the dissociation constants of formic acid and acetic acid are 1.8 x 10-4 and 1.8 x 10-5 respectively. The concentration of acetic acid solution in which the hydrogen ion has the same concentration as in 0.001 M formic acid solution is equal to

Question 2 of 10

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E2 log (x²+1)(x²+3)+c

Question 3 of 10

Two finite sets have m and n elements. The number of elements in the power set of first set is 48 more than the total number of elements in the power set of the second set. Then the values of m and n are

Question 4 of 10

The major product of the reaction between tert-butylchloride and sodium-ethoxide is

Question 5 of 10

In a polymer sample, 30% of molecules have a molecular mass of 20,000 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer?

Question 6 of 10

If (2, 3, 5) is one end of a diameter of the sphere x² + y² + z² - 6x - 12y - 2z + 20 = 0, then the coordinates of the other end of the diameter are

Question 7 of 10

Under which one of the following conditions, does the reaction take place,

Question 8 of 10

At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of

Question 9 of 10

The molecule having smallest bond angle is :

Question 10 of 10

The critical temperature of {tex}O_2, N_2, H_2{/tex} and {tex}CO_2{/tex} are 154.3K, 126K, 33.2K and 304K respectively. The extent of adsorption on tungsten may be highest in case of