Science (English Medium) Class 11 - CBSE Question Bank Solutions

Write bond line formulas for Heptan-4-one.

Give condensed and bond line structural formulas and identify the functional group(s) present, if any, for:

2,2,4-Trimethylpentane

Give condensed and bond line structural formulas and identify the functional group(s) present, if any, for

2-Hydroxy-1,2,3-propanetricarboxylic acid

Give condensed and bond line structural formulas and identify the functional group(s) present, if any, for

Hexanedial

How can the production of dihydrogen, obtained from ‘coal gasification’, be increased?

Discuss the consequences of high enthalpy of H–H bond in terms of chemical reactivity of dihydrogen.

Arrange the following:

H–H, D–D and F–F in order of increasing bond dissociation enthalpy.

Write the Formulae for the Following Compound:

Nickel(II) Sulphate

Write formulas for the following compound:

Tin(IV) oxide

Write the formulae for the following compound:

Thallium(I) sulphate

Write the Formulae for the Following Compound:

Iron(III) Sulphate

Write the Formulae for the Following Compound:

Chromium(III) Oxide

Using the standard electrode potential, predict if the reaction between the following is feasible:

Fe³⁺(aq) and I^–(aq)

Using the standard electrode potential, predict if the reaction between the following is feasible:

\[\ce{Ag{^+_{(aq)}}}\] and Cu_(s)

Using the standard electrode potential, predict if the reaction between the following is feasible.

Fe³⁺(aq) and Cu(s)

Using the standard electrode potential, predict if the reaction between the following is feasible:

Br_2(aq) and \[\ce{Fe^{2+}_{ (aq)}}\]

Given the standard electrode potentials,

K⁺/K = –2.93V, Ag⁺/Ag = 0.80V,

Hg²⁺/Hg = 0.79V

Mg²⁺/Mg = –2.37V. Cr³⁺/Cr = –0.74V

Arrange these metals in their increasing order of reducing power.

Using the standard electrode potential, predict if the reaction between the following is feasible:

Ag_(s) and \[\ce{Fe^{3+}_{ (aq)}}\]

Write the drawbacks in Mendeleev’s periodic table that led to its modification.

In what manner is the long form of periodic table better than Mendeleev’s periodic table? Explain with examples.