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JEE Main Chemistry Test- 12 - JEE MCQ
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Detailed Solution for JEE Main Chemistry Test- 12 - Question 1
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JEE Main Chemistry Test- 12 - Question 4
10 mL of gaseous hydrocarbon on combustion gives 40 mL of 
(g) and 50 mL of 
(vap.).The
hydrocarbon is
(g) and 50 mL of (vap.).Thehydrocarbon is
solution is nearly
JEE Main Chemistry Test- 12 - Question 6
0.7 g of 
is dissolved in 10 mL of water, 20mL of which required 19.8 mL of 0.1 N HCl. The value of x is
JEE Main Chemistry Test- 12 - Question 7
The energy of the second Bohr orbit of the hydrogen atom is –3.41 eV. The energy of the third Bohr orbit of the 
ion will be
ion will be
JEE Main Chemistry Test- 12 - Question 8
The energy of an electron in the first Bohr orbit of H-atom is –13.6 eV. The possible energy values(s)
of the excited state(s) for electrons in Bohr orbits of hydrogen is (are)
orbital is
JEE Main Chemistry Test- 12 - Question 10
The ratio of time periods in first and second orbits of hydrogen atom is
JEE Main Chemistry Test- 12 - Question 11
The sub-shell that comes after f-sub-shell is called g-sub-shell. The number of g-sub orbitals in g-sub shell and the total number of orbitals in the principal orbital respectively are
JEE Main Chemistry Test- 12 - Question 12
The e/m for positive rays in comparison to cathod rays is
JEE Main Chemistry Test- 12 - Question 13
If n and l are respectively the principal and azimuthal quantum numbers, then the expression for calculating total number of electrons in any energy level is
Detailed Solution for JEE Main Chemistry Test- 12 - Question 13
JEE Main Chemistry Test- 12 - Question 16
Name the two elements that are liquid at ordinary temperature
JEE Main Chemistry Test- 12 - Question 17
Traid-I 
Traid-II
Choose the species of lowers IP from traid-I and the species of highest IP from traid-II respectively
Traid-II
Choose the species of lowers IP from traid-I and the species of highest IP from traid-II respectively
JEE Main Chemistry Test- 12 - Question 18
Arrange the elements with the following electronic configurations in increasing order of electron affinity 
is
JEE Main Chemistry Test- 12 - Question 23
Which of the following is the correct order of stability of the following four distinct conformations of nbutane?
JEE Main Chemistry Test- 12 - Question 24
Which among the following is likely to show geometrical isomerism?
JEE Main Chemistry Test- 12 - Question 25
Which one of the following is the stablest structure of cyclohexatriene ?
JEE Main Chemistry Test- 12 - Question 26
meso-Tartaric acid is optically inactive due to the presence of
JEE Main Chemistry Test- 12 - Question 27
The absolute cofiguration of the following compound is
is |
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