Science (English Medium) कक्षा १२ - CBSE Question Bank Solutions for Chemistry

Write the formula for the given coordination compound:

Tris(ethane−1, 2−diamine) chromium (III) chloride

Write the formula for the given coordination compound:

Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the given coordination compound:

Dichloridobis(ethane−1, 2−diamine)platinum (IV) nitrate

Using IUPAC norms, write the formula for the following:

Tetrahydroxidozincate(II)

Using IUPAC norms, write the formula for the following:

Potassium tetrachloridopalladate(II)

Using IUPAC norms write the formula for the following:

Diamminedichloridoplatinum(II)

Using IUPAC norms, write the formula for the following: 

Hexaamminecobalt (III) sulphate

Using IUPAC norms, write the formula for the following:

Potassium tri(oxalato)chromate(III)

Using IUPAC norms, write the formula for the following:

Tetrabromidocuprate(II)

Arrange the following polymers in increasing order of their intermolecular forces.

(i) Nylon 6, 6, Buna-S, Polythene.

(ii) Nylon 6, Neoprene, Polyvinyl chloride.

In which classes, the polymers are classified on the basis of molecular forces?

Define thermoplastics with two examples of each.

Define thermosetting polymers with two examples of them.

Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.

Write a short note on the following:

Hoffmann’s bromamide reaction

Accomplish the following conversion:

Nitrobenzene to benzoic acid

Accomplish the following conversion:

Benzyl chloride to 2-phenylethanamine

Accomplish the following conversion:

Benzamide to toluene

Give the structure of A, B and C in the following reaction:

\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]

Give the structure of A, B and C in the following reaction:

\[\ce{C6H5N2Cl ->[CuCN] A ->[H2O/H+] B ->[NH3][\Delta] C}\]