Discuss the consequences of high enthaply of H-H bond in terms of chemical reactivity of dihydrogen.

Express the concentration of "10 Volume" H_2O_2 in terms of percentage.

An organic compound has the molecular formula C_5H_(10)O . The compound does not reduce Tollen's reagent but reacts with Brady's re-agent to give orange precipitate. On vigorous Oxidation, the molecule produces ethanoic acid and propanoic acid. The com-pound also gives iodoform test. Identify the compound and write equations for chemical reactions involved.

An organic compound contains A(C_7H_5N) on hydrolysis with strong aqueous acid gives another compound B which is a monobasic aromatic carboxylic acid. The compound B on treatment with ammonia gives a salt which on heating gives C. The compound C undergoes Hofmann's bromamide reaction to yield aniline. Name A, B and C and write the chemical reactions involved.

An organic compound (A) (molecular formula, C_4H_8O_2 ) was hydrolysed with dilute H_2SO_4 to give a carboxylic acid (B) and alcohol (C ). Oxidation of (C ) with chromic acid produced (B). Write possible structures of (A), (B) and (C ) and give their IUPAC name. Write the chemical equations involved in the process.

Write one chemical reaction to show that conc. H_2SO_4 is a dehydrating agent.

Arrange the following compounds in the decreasing order of reactivity towards S_N2 displacement reaction and give reasons in support of your answer: C_2H_5Br , C_2H_5I , C_2H_5Cl

From a window h m high above the ground in a street, the angles of elevation and depression of the top and foot of the other house on the opposite side of the street as alpha and beta respectively show that height of the opposite house is h(1+tan alpha cos beta)m .

Although geometry of NH_3 and H_2O molecules are distorted tetrahedral, bond angle in water is less than that of ammonia . Discuss.

Complete the following chemical reacitons. XeF_2 + H_2O rarr

Write the chemical reaction when iron reacts with dilute H_2SO_4 .