If 0.1 mole `H_(3)PO_(x)` is completely neutralised by 5.6g KOH then select the true statement.

STATEMENT-1: 0.1 MH_(3)PO_(3) (aq) solution has normality equal to 0.3 N when completely reacted with NaOH. STATEMENT-2 : H_(3)PO_(3) is a dibasic acid.

Select the correct statement about G_1 phase

1.25g of a solid dibasic acid is completely neutralised by 25mL of 0.25 molar Ba (OH)_2 solution. Molecular mass of the acid is :

An equilibrium mixture of the reaction 2H_(2)S(g)hArr2H_(2)(g) + S_(2)(g) had 0.5 mole H_(2)S , 0.10 mole H_(2) and 0.4 mole S_(2) in one litre vessel. The value of equilibrium constants (K) in mole litre^(-1) is

1g mixture of equal number of mole of Li_2 Co_3 and other metal carbonate (M_2 CO_3) required 21.6 mL of 0.5 NHCI for complete neutralisation reaction. What is the approximate atomic mass of the other metal ?

Statement-1: If N the number of positive integral solutions of x_(1)x_(2)x_(3)x_(4)=770 , then N is divisible by 4 distinct prime numbers. Statement-2: Prime numbers are 2,3,5,7,11,13, . . a. Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1 b. Statement-1 is true, statement-2 is true, statement-2 is not a correct explanation for statement-1 c. Statement-1 is true, statement-2 is false d. Statement-1 is false, statement-2 is true

Statement 1: The sum of the series 1""+""(1""+""2""+""4)""+""(4""+""6""+""9)""+""(9""+""12""+""16)""+"". . . . . . +""(361""+""380""+""400)"" i s ""8000 . Statement 2: sum_(k=1)^n(k^3-(k-1)^3)=n^3 for any natural number n. (1) Statement 1 is false, statement 2 is true (2) Statement 1 is true, statement 2 is true; statement 2 is a correct explanation for statement 1 (3) Statement 1 is true, statement 2 is true; statement 2 is not a correct explanation for statement 1 (4) Statement 1 is true, statement 2 is false

A mixture of NH_(3(g)) and N_(2)H_(4_((g))) is placed in a sealed container at 300 K . The total pressure is 0.5 atm . The container is heated to 1200 K , at which time both substances decompose completely according to the equations: 2NH_(3(g))rarrN_(2(g))+3H_(2(g)) N_(2)H_(4_((g)))rarrN_(2(g))+2H_(2(g)) After decomposition is complete, the total pressure at 1200 K is found to be 4.5 atm . Find the amount (mole) per cent of N_(2)H_(4(g)) in the original mixture.

Four numbers are chosen at random (without replacement) from the set {1, 2, 3, ....., 20}. Statement-1: The probability that the chosen numbers when arranged in some order will form an AP Is 1/(85) . Statement-2: If the four chosen numbers form an AP, then the set of all possible values of common difference is {1, 2, 3, 4, 5}. (1) Statement-1 is true, Statement-2 is true; Statement-2 is not the correct explanation for Statement-1 (2) Statement-1 is true, Statement-2 is false (3) Statement-1 is false, Statement-2 is true (4) Statement-1 is true, Statement-2 is true; Statement-2 is the correct explanation for Statement-1

Statement-1 (Assertion and Statement- 2 (Reason) Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select the correct choice as given below. Statement-1 For a singular matrix A , if AB = AC rArr B = C Statement-2 If abs(A) = 0, thhen A^(-1) does not exist. a. Statement- is true, Statement -2 is true, Statement-2 is a correct explanation for Statement-1 b. Statement-1 is true, Statement-2 is true, Sttatement - 2 is not a correct explanation for Stamtement-1 c. Statement 1 is true, Statement - 2 is false d. Statement-1 is false, Statement-2 is true