• Placement Questions
• /
• IIT-JEE

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

(#M40027737) IIT-JEE QUESTION Maths Keep an EYE

If z is any complex number satisfying |z – 3 – 2i| £ 2, then the minimum value of |2z – 6 + 5i| is

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (5)   (4) Submit Your Solution

(#M40027767) IIT-JEE QUESTION 2011 question Keep an EYE

Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
(A) II, III in haematite and III in magnetite (B) II, III in haematite and II in magnetite
(C) II in haematite and II, III in magnetite (D) III in haematite and II, III in magnetite

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (9)   (2) Submit Your Solution

(#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

Asked In IIT-JEE MAN (7 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (24)   (18) Submit Your Solution

(#M40027776) IIT-JEE QUESTION 2011 question Keep an EYE

The density of a solid ball is to be determined in an experiment. The diameter of the ball is measured with
a screw gauge, whose pitch is 0.5 mm and there are 50 divisions on the circular scale. The reading on the
main scale is 2.5 mm and that on the circular scale is 20 divisions. If the measured mass of the ball has a
relative error of 2 %, the relative percentage error in the density is
(A) 0.9 % (B) 2.4 %
(C) 3.1 % (D) 4.2 %

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (6)   (3) Submit Your Solution

(#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

Asked In IIT-JEE MAN (7 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (9)   (5) Submit Your Solution

(#M40019711) IIT-JEE QUESTION AP,GP,HP Keep an EYE

If a,b,c,b are in AP then abc, abd, acd, bcd are,
(a). not in AP/GP/HP
(b). in AP
(b). in GP
(d). in HP

Asked In IIT-JEE Chandni Maurya (7 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (7)   (14) Submit Your Solution

(#M40028091) IIT-JEE QUESTION Mental Ability Keep an EYE

A 4.0 molar aqueous solution of NaCl is prepared and 500 mL of this solution is electrolysed. This leads to the evolution of
chlorine gas at one of the electrodes (atomic mass: Na = 23, Hg = 200; 1 Faraday=96500 coulombs)


The total number of moles of chlorine gas evolved is
(A) 0.5 (B) 1.0
(C) 2.0 (D) 3.0

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (9)   (18) Submit Your Solution

(#M40027986) IIT-JEE QUESTION 2012 question Keep an EYE

25mL of household bleach solution was mixed with 30mL of 0.50MKI and 10mL of 4N acetic acid. In the titration of the liberated iodine, 48mL of 0.25 N Na2S2O3was used to reach the end point. Themolarity of the
household bleach solution is
option
(A) 0.48 M
(B) 0.96 M
(C) 0.24 M
(D) 0.024 M

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (2)   (1) Submit Your Solution

(#M40028119) IIT-JEE QUESTION 2007 Question Keep an EYE

While Fe3+ is stable, Mn3+ is not stable in acid solution because
(A) O2 oxidises Mn2+ to Mn3+ (B) O2 oxidises both Mn2+ and Fe2+ to Fe3+
(C) Fe3+ oxidizes H2O to O2 (D) Mn3+ oxidises H2O to O2

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (7)   (1) Submit Your Solution

(#M40027865) IIT-JEE QUESTION 2010 question Keep an EYE

Based on VSEPR theory, the number of 90 degree F – Br – F angles in BrF5 is

Asked In IIT-JEE MAN (7 years ago)

Unsolved

Is this Puzzle helpful?   (10)   (4) Submit Your Solution