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What Is The Oxidation Number Of Aluminum

In most, the oxidation number of aluminum +3. Other oxidation states are also possible. Also Read: Oxidation Number... View Article

What Is The Oxidation Number Of Cr In Cro2cl2

The oxidation number of Cr in CrO2Cl2 is +6. Also Read: Chromyl Chloride Test... View Article

What Are The 5 Types Of Measurements

5 types of measurements are: Indirect method of measurement. Direct method of measurement. Fundamental method of measurement. Substitution... View Article

Which Of The Following Is Correct For Solution Showing Positive Deviations From Raoults Law

a)dV=+ve and dH=+ve b)dV=+ve and dH=-ve c)dV=-ve and dH=+ve d)dV=-ve and dH=-ve Answer: (a)... View Article

Which Of The Following Has Maximum Number Of Geometrical Isomers

(a) [Co(NH3)4Cl2] (b) Ni(C2O4)(en)2] (c) [Cr(SCN)2(NH3)4]2+ Solution: [Cr(SCN)2(NH3)4]2+ has the maximum number of geometrical isomers.... View Article

Is Agcl Ionic

AgCl is a simple ionic compound having silver cation (Ag+) and chloride anion (Cl-). Read more.... View Article

What Is Difference Between Position Isomerism And Metamerism

Position isomerism and metamerism are two categories of isomerism. The main difference is metamerism describes different alkyl groups attached to... View Article

If 56pr6 54pr3 30800 1 Then R

1) 31 2) 41 3) 51 4) None of these Answer: (3) 41 Solution: Given, 51−r=10 r=41... View Article

There Are Four Balls Of Different Colours And Four Boxes Of Colours Same A Those Of The Balls The Number Of Ways

1) 8 2) 7 3) 9 4) None of these Answer: (3) 9 Solution: As per the formula, we know that, for n different things arranged in a row, number... View Article

The Number Of Ways In Which The Letters Of The Word Triangle Can Be Arranged Such That Two Vowels Do Not Occur Together Is

1) 1200 2) 2400 3) 14400 4) None of these Answer: (3) 14400 Solution: There are total 8 letters in the word TRIANGLE So the total number of... View Article

How Many Numbers Lying Between 10 And 1000 Can Be Formed From The Digits 123456789 Repetition Is Allowed

1) 1024 2) 810 3) 2346 4) None of these Answer: (2) 810 Solution: Number of two digits numbers formed = 9 x 9 = 81 Number of three digits... View Article

A Question Paper Is Divided Into Two Parts A And B And Each Part Contains 5 Questions The Number Of Ways

1) 80 2) 100 3) 200 4) None of these Answer: (3) 200 Solution: Total number of ways = (Selecting 2 from A and 4 from B) + (Selecting 3... View Article

The Value Of 2n 1 3 5 2n 3 2n 1 Is

1) (2n)!/n! 2) (2n)!/2n 3) n!/(2n)! 4) None of these Answer: (1) (2n)!/n! Solution: Given, 2n{1.3.5… … (2n-3)(2n-1)} Multiply and... View Article

Out Of 10 Points In A Plane 6 Are In A Straight Line The Number Of Triangles Formed By Joining These Points Are

1) 100 2) 150 3) 120 4) None of these Answer: (1) 100 Solution: If all 10 points are collinear, then number of triangles formed = 10C3 =... View Article

The Greatest Possible Number Of Points Of Intersection Of 8 Straight Lines And 4 Circle Is

1) 32 2) 64 3) 76 4) 104 Answer: (4) 104 Solution: 8 straight lines meet at a point in 8C2 ways = 28 Possible intersection points for... View Article

In A Plane There Are 37 Straight Lines Of Which 13 Passes Through Point A And 11 Passes Through Point B

1) 535 2) 601 3) 728 4) None of the above Answer: (1) 535 Solution: The point of intersection of 37 lines = 37C2 But, 13 straight lines... View Article

A Parallellogram Is Cut By Two Sets Of M Lines Parallel To Its Sides The Number Of Parallelograms Thus Formed Is

1) (mC2)2 2) (m+1C2)2 3) (m+2C2)2 4) None of these Answer: (3) (m+2C2)2 Solution: We need two sets of parallel lines to form a... View Article

There Are N Straight Lines In A Plane No Two Of Which Are Parallel And No Three Passes Through The Same Point

1) [n(n-1)(n-2)]/8 2) [n(n-1)(n-2)(n-3)]/6 3) [n(n-1)(n-2)(n-3)]/8 4) None of the above Answer: (3) [n(n-1)(n-2)(n-3)]/8 Solution: The... View Article

There Are M Points On A Straight Line Ab And N Points On Another Line Ac None Of Them Being The Point A Triangles Are Formed

1) (m+n-2)/(m+n) 2) (m+n-2)/2 3) (m+n-2)/(m+n+2) 4) None of these Answer: (1) (m+n-2)/(m+n) Solution: Given, there are m points on a... View Article

Six Points In A Plane Be Joined In All Possible Ways By Indefinite Straight Lines And If No Two Of Them Be Coincident Or Parallel

1) 105 2) 45 3) 51 4) None of these Answer: (3) 51 Solution: Number of lines formed with 6 points = 6C2 ways = 15 Two lines intersect at... View Article