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in Some Basic Principles of Organic Chemistry answer selected 1 day ago 351 views

How many (i) sp2 hybridised carbon atoms and (ii) π bonds are present in the following compound?

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in Chemistry answered 3 days ago 17 views

Statement 1: Dipole-dipole interactions are the only non-covalent interaction that lead to hydrogen bonding.

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in Chemistry answered 3 days ago 11 views

Deficiency of which vitamin helps in delaying blood clotting?

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in Chemistry answered 3 days ago 17 views

Statement 1: O-nitrophenol is steam volatile due to H- bonding Statement 2: O-nitrophenol has higher

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in Chemistry answered 3 days ago 11 views

Ozone in troposphere prevents us from?

Ozone in troposphere prevents us from? (a) Cause photochemical smog (b) Protects from UV radiation (c) Protects from X-ray (d) Protects from greenhouse effect

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in Properties of Solids and Liquids answered 3 days ago 10 views

Some drops, each of radius ‘r’ coalesce to form a large drop of radius ‘R’. The surface tension is T.

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in Electromagnetic Induction and Alternating Currents answered 3 days ago 13 views

An AC current is given by i(t) = I1 sin wt + I2 cos wt. Find the rms value of current.

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in Physics and Measurement answered 3 days ago 20 views

Find the significant figure in 50000.020 × 10^-3

Find the significant figure in 50000.020 × 10-3 (a) 5 (b) 6 (c) 7 (d) 8

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in Sequences and Series commented 4 days ago 407 views

The sum of the first three terms of a G.P. is S and their product is 27. Then all such S lie in

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in Physics and Measurement asked Jul 26 11 views

If W = work done, T = Temperature, KB = Boltzmann constant, x = Displacement & W = αβ^2 e x^2/αKBT

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in Oscillations and Waves asked Jul 26 8 views

A travelling wave is given by y = −0.21sin(x+ 3t) where x is in m, t is in seconds, y is in mm.

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in Oscillations and Waves asked Jul 26 10 views

If the force acting on the body moving in circular motion is proportional to r−3, then the time period

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in Rotational Motion asked Jul 26 8 views

Four solid spheres each of mass m and radius a, have their centers on the vertices of a square whose side is b.

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in p - Block Elements comment moved Jul 26 394 views

The statement that is not true about ozone is :

The statement that is not true about ozone is : (1) in the stratosphere, CFCs release chlorine free radicals $\require{mhchem}\ce{(Cl)}$ which reacts with $\ce{O3}$ to give chlorine dioxide radicals. (2) in the stratosphere, it forms a protective shield ...

1 answer