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Frequently Asked IIT-JEE Latest Exam Pattern - IIT-JEE Sample Question with Solutions

(#M40027347) IIT-JEE QUESTION Physics Keep an EYE

Which of the following sets cannot enter into
the list of fundamental quantities in any
system of units
(A) length ; mass ; velocity
(B) length ; time ; velocity
(C) mass ; time; velocity
(D) length ; time, mass

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(#M40027772) IIT-JEE QUESTION 2011 question Keep an EYE

Among the following, the number of compounds than can react with PCl5 to give POCl3 is
O2, CO2, SO2, H2O, H2SO4, P4O10

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(#M40027904) IIT-JEE QUESTION 2010 question Keep an EYE

A piece of ice (heat capacity = 2100 J kg–1 º C–1 and latent heat = 3.36 × 105 J kg–1) of mass m grams is at –
5ºC at atmospheric pressure. It is given 420 J of heat so that the ice starts melting. Finally when the ice–
water mixture is in equilibrium, it is found that 1 gm of ice has melted. Assuming there is no other heat
exchange in the process, the value of m is

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(#M40027753) IIT-JEE QUESTION Physics Keep an EYE

A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall
building which reflects the sound waves. The speed of sound in air is 320 m/s. The frequency of the siren
heard by the car driver is
(A) 8.50 kHz (B) 8.25 kHz
(C) 7.75 kHz (D) 7.50 kHZ

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(#M40152117) IIT-JEE QUESTION Time and distance Keep an EYE

A and B take a straight route to the same terminal points and travel with constant speed. at the initial moment,the positions of the two and the terminal pt. form a equilateral triangle. when A moves a distance of 80km, the triangle becomes right angled. when A is at a dist. of 120km from the end pt. ,B has already reached the end pt. Find the distance between them at the initial moment assuming that there are integral distances throughout the movements described.

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(#M40028133) IIT-JEE QUESTION 2008 Question Keep an EYE

The compound(s) formed upon combustion of sodium metal in excess air is(are)
(A) Na2O2 (B) Na2O
(C) NaO2 (D) NaOH

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(#M40027982) IIT-JEE QUESTION 2012 question Keep an EYE

The shape of XeO2F4 molecule is
option
(A) trigonal bipyramidal
(B) square plannar
(C) tetrahedral
(D) see-saw

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(#M40028147) IIT-JEE QUESTION 2008 Question Keep an EYE

Cv and Cp denote the molar specific heat capacities of a gas at constant volume and constant pressure,
respectively. Then
(A) Cp −Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas.
(B) Cp + Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas.
(C) Cp/Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas.
(D) Cp. Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas.

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(#M40027769) IIT-JEE QUESTION 2011 question Keep an EYE

Passing H2S gas into a mixture of Mn2+, Ni2+, Cu2+ and Hg2+ ions in an acidified aqueous solution
precipitates
(A) CuS and HgS (B) MnS and CuS
(C) MnS and NiS (D) NiS and HgS

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(#M40028131) IIT-JEE QUESTION 2007 Question Keep an EYE

Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for
Sb2S3 sol is
(A) Na2SO4 (B) CaCl2
(C) Al2(SO4)3 (D) NH4Cl

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