AIPMT 2002

Which of the following has p\(\pi\) \(-\) d\(\pi\) bonding?

Which of the following is isoelectronic?

In NO3\(-\) ion number of bond pair and lone pair of electrons on nitrogen atom are

Reaction BaO2(g) \(\rightleftharpoons\) BaO(s) + O2(g); \(\Delta\)H = +ve. In equilibrium condition, pressure of O2 depends on

2A \(\to\) B + C It would be a zero order reaction when

Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?

The hypothetical complex chloro diaquatriammine cobalt(III) chloride can be represented as

In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is

CuSO4 when reacts with KCN forms CuCN, which is insoluble in water. It is soluble in excess of KCN, due to formation of the following complex

Zn gives H2 gas with H2SO4 and HCl but not with HNO3 because

Which of the following shows maximum number of oxidation states?

An atom has electronic configuration 1s2 2s2 2p6 3s2 3p6 3d3 4s2, you will place it in

General electronic configuration of lanthanides is

In electrolysis of NaCl when Pt electrode is taken then H2 is liberated at cathode while with Hg cathode it forms sodium amalgam

Van der Waal's real gas, acts as an ideal gas, at which conditions?

Reactivity order of halides for dehydrologenation is

Z in the above reaction sequence is

When CH3CH2CHCl2 is treated with NaNH2, the product formed is

Solubility of MX2 type electrolytes is 0.5 \(\times\) 10\(-\)4 mole/lit., then find out Ksp of electrolytes.

Which has highest pH?

Solution of 0.1 N NH4OH and 0.1 N NH4Cl has pH 9.25. Then find out pKb of NH4OH

\({}_{92}^{235}\)U, nucleus absorbs a neutron and distintegrate in \({}_{54}^{139}\)Xe, \({}_{38}^{94}\)Sr and \(x\) so, what will be product \(x\)?

Product 'P' in the above reaction is

Which of the following statement is true?

Which of the following order is wrong?

Monomer of

is

Cellulose is polymer of

In which of the following processes, fused sodium hydroxide is electrolysed at a 330oC temperature for extraction of sodium?

A solution contains non volatile solute of molecular mass M2. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure?

A solution containing components A and B folloes Raoult's law

The percentage of C, H and N in an organic compound are 40%, 13.3% and 46.7% respectively then empirical formula is

2.5 litre of 1 M NaOH solution is mixed with another 3 litre of 0.5 M NaOH solution. Then find out molarity of resultant solution.

Which has maximum molecules?

Geometrical isomers differ in

IUPAC name of the following is
CH2 \(=\) CH \(-\) CH2 \(-\) CH2 \(-\) C \(\equiv\) CH

In hydrogen atom, energy of first excited state is \(-\) 3.4 eV. Then find out K.E. of same orbit of hydrogen atom

Position of non polar and polar part in micelle

Unit of entropy is

Which reaction is not feasible?

Heat of combustion \(\Delta\)Ho for C(s), H2(g) and CH4(g) are \(-\) 94, \(-\) 68 and \(-\)213 kcal/mol, then \(\Delta\)Ho for C(s) + 2H2(g) \(\to\) CH4(g) is

2 mole of ideal gas at 27oC temperature is expanded reversibly from 2 lit. to 20 lit. Find entropy change. (R = 2 cal/mol K)

In a closed insulated container a liquid is stirred with a paddle to increase the temperature which of the following is true ?

For a series LCR circuit the power loss at resonance is

Which of the following are suitable for the fusion process ?

A sample of radioactive element containing 4 \(\times\) 1016 active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days

A deutron is bombarded on 8O16 nucleus then \(\alpha\)-particle is emitted. The product nucleus is

A capacitor of capacity C1 charged upto V volt and then connected to an uncharged capacitor of capacity C2. The final potential difference across each will be

If kinetic energy of a body is increased by 300% then percentage change in momentum will be :

A rod of length is 3 m and its mass acting per unit length is directly proportional to distance x from one of its end then its centre of gravity from that end will be at :

Specific resistance of a conductor increases with