How Many Moles Of K2Cr2O7 Is Required To Oxidise One Mole Of Fe(C2O4) In A Acidic Medium.
(A) 2 (B) 3 (C) 1/2 (D) 1/3 The Correct Answer is (C) 1/2 Solution: Fe2+ in ferrous oxalate is... View Article
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In Iron Atom (z=26), The Differentiating Electron Enters Which Of The Following Sublevel.
(A) 3d (B) 4d (C) 4p (D) 5p The Correct Answer is (A) 3d Solution: The electronic configuration of iron... View Article
In Which Of The Following Region The Electrons Are More Likely To Be Found.
(A) In the region of a (B) In the region of b (C) In the region of a and b... View Article
Which Carbene Is More Stable For CCl2?
(A) Singlet carbenes. (B) Triplet carbenes. (C) Both (A) and (B). (D) None Of These. The Correct Answer is (A)... View Article
The Diameter Of The Colloidal Particles May Range From________.
(A) 103m to 10-3m (B) 10-3m to 10-6m (C) 10-6m to 10-9m (D) 10-9m to 10-12m The Correct Answer is(C)... View Article
Propyl nitrite may be converted into butyl amine by using which of the following reducing agent?
(A) LiAlH4 (B) Sn or HCl (C) Conc. HCl (D) None Of These The Correct Answer is (A) LiAlH4 Solution:... View Article
What is the Stability Order Of Singlet Halocarbene.
(A) CF2 > CI2 > CCI2 > CBr2 (B) CF2 > CCI2 > CBr2 > CI2 (C) CI2 > CBr2... View Article
The Oxidation Number Of Iodine In IO-4 Is________.
(A) -1 (B) +2 (C) +7 (D) +5 The Correct Answer is (C) +7 Solution: Let us consider the oxidation... View Article
Assertion: Oxidation Number Of Carbon In CH2O Is Zero. Reason:CH2O(formaldehyde), is a covalent compound.
(A) Assertion is true, but Reason is false. (B) Both Assertion and Reason are false. (C) Both Assertion and Reason... View Article
Which of the Following Substance Is Used As Adsorbate?
(A) Alumina. (B) Acetonitrile. (C) Benzaldehyde. (D) All Of These. The Correct Answer is (C) Benzaldehyde. Benzaldehyde is a substance... View Article
Which Of The Following Alkyl Halide Will Undergo E2 Elimination?
The options are: The Correct Answer: is Option (A) and (B) Both the Alkyl Halide will give elimination reactions. In... View Article
The Oxidation Number Of Iodine In IO3- Is________.
(A) -1 (B) +2 (C) -2 (D) +5 The Correct Answer is (D) +5 Solution: Let us consider the oxidation... View Article
Diastase Enzyme Converts Starch to_______.
(A) Glucose (B) Sucrose (C) Maltose (D) Ethyl alcohol The Correct Answer is (C) Maltose Solution: The enzyme diastase catalyses... View Article
Assertion: Acetic acid does not undergo a haloform reaction. Reason: Acetic acid has no alpha hydrogen atoms.
(A) Assertion is true, but Reason is false. (B) Both Assertion and Reason are false. (C) Both Assertion and Reason... View Article
What is 1/6 as a decimal?
Solution: To convert a fraction to a decimal we have to divide the numerator by the denominator. 1/6 = 0.16666.. ... View Article
If the angles of a quadrilateral are in the ratio 2:3:4:6, find the angles.
Solution: We know the sum of angles of a quadrilateral is 3600. Given the ratio of angles = 2:3:4:6 Let... View Article
If roots of the cubic equation 64x3-144x2+92x-15 = 0 are in arithmetic progression, then the difference between the largest and smallest root is equal to
(a) 1 (b) ½ (c) 7/8 (d) none of these Solution: Let a-d, a a+d be the roots of the... View Article
X and Y graph
A graph consists of a horizontal axis (X-axis) and a vertical axis (Y-axis) where we represent data. The horizontal and... View Article
Find the coordinates of the orthocentre of the triangles whose angular points are (1,0),(2,−4), and (-5,-2).
Solution: Let A(-5, -2), B(1, 0) and C(2, -4) be the vertices of triangle ABC. Slope of AB = (y2-y1)/(x2-x1)... View Article
The class mark of class 90-130 is
The class mark of 90-130 is 110. Explanation: The classmark is the mean of the lower limit and the upper... View Article
