Tags Class 12th

Class 12th

Get insights from 11.9k questions on Class 12th, answered by students, alumni, and experts. You may also ask and answer any question you like about Class 12th

Follow Ask Question

11.9k

Questions

Discussions

Active Users

Followers

New answer posted

7 months ago

Class 12th Chemistry Chemical Kinetics

For which order reaction, half-life is inversely proportional to the concentration of reactant?

0 Follower 1 View

alok kumar singh

Contributor-Level 10

0 0

New answer posted

7 months ago

Class 12th Chemistry

Most acidic among the following is

0 Follower 13 Views

alok kumar singh

Contributor-Level 10

Kindly go through the solution

Acidic Nature :

0 0

New answer posted

7 months ago

Class 12th Chemistry

Which of the following compounds is optically active?

0 Follower 1 View

alok kumar singh

Contributor-Level 10

is optically active as it does not contain any element of symmetry.

0 0

New answer posted

7 months ago

Class 12th Chemistry

Benzotrichloride on reaction with aq. KOH followed by hydrolysis gives

0 Follower 2 Views

alok kumar singh

Contributor-Level 10

0 0

New answer posted

7 months ago

Class 12th Chemistry Coordination Compounds

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

0 Follower 1 View

alok kumar singh

Contributor-Level 10

Correct order of increasing field strength of ligands is : I^– < OH^–< NCS^–

0 0

New answer posted

7 months ago

Class 12th Dual Nature of Radiation and Matter

de Broglie wavelength of proton = λ and that of an a particle is 2λ. The ratio of velocity of proton to that of a particle is:

0 Follower 1 View

alok kumar singh

Contributor-Level 10

$? = \frac{h}{p}$

$? = \frac{h}{m v_{p}}$

and $2 ? = \frac{h}{4 m v_{?}}$

$\frac{1}{2} = \frac{4 v_{?}}{v_{p}}$

$\frac{v_{p}}{v_{?}} = 8$

0 0

New answer posted

7 months ago

Class 12th Chemistry Coordination Compounds

The effective atomic number of Fe in K₄[Fe(CN)₆] is

0 Follower 1 View

alok kumar singh

Contributor-Level 10

EAN = Atomic No. – Oxidation state + 2 * CN

= 26 – 2 + 2 * 6

=36

0 0

New answer posted

7 months ago

Class 12th Chemistry

Which among the following is malachite?

0 Follower 2 Views

alok kumar singh

Contributor-Level 10

0 0

New answer posted

7 months ago

Class 12th Physics

Determine the lowest energy of photon emitted in Balmer series of hydrogen atom.

0 Follower 3 Views

alok kumar singh

Contributor-Level 10

For 3 ->2 transitions

DE = 13.6 $(\frac{1}{4} ? \frac{1}{9})$

= 13.6 * $\frac{5}{36}$

= 1.88 eV

0 0

New answer posted

7 months ago

Class 12th Solutions

If vapour pressure of two liquids A and B in pure state are 400 and 500 mm of Hg respectively then mole fraction of A in vapour phase of solution obtained by mixing equal moles of A and B is

0 Follower 3 Views

alok kumar singh

Contributor-Level 10

0 0

Get authentic answers from experts, students and alumni that you won't find anywhere else

On Shiksha, get access to

66k Colleges
1.2k Exams
690k Reviews
1850k Answers

Community GuidelinesUser Points System

QuestionsDiscussionsTags

Need guidance on career and education? Ask our experts

Your Question

Class 12th

Questions

Discussions

Active Users

Followers

All

Discussions

Unanswered Questions

Share Your College Life Experience